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Nanocrystalline cores for common mode chokes AL= 18.0 ~31.2uH @ 10KHz, ≤50mV
Specification for Soft Magnetic Cores
Technical Characteristic & Graphs of Nanocrystalline ribbon
|
Material |
Symbol |
Unit |
Value |
|
Initial Permeability |
μi |
- |
80000 |
|
Saturation Magnetic Flux Density |
Bs |
mT |
1200 |
|
Pemanent Dlux Density |
Br |
mT |
300 |
|
Corecivev Forece |
Hc |
A/m |
<2.0 |
|
Curie Temp |
Tc |
°C |
570 |
|
Electrical Resisitance |
ρ |
μΩ.cm |
80 |
|
Density |
d |
kg/m3 |
7.25x103 |
|
Saturation Magnetostriction |
λS |
x10-6 |
2 |
NT40/55-25P Nanocrystalline Core Application for DC CMC:
General parameters & requirements
2x Irms =25A / 1x Irms=50A
U=1000V DC
Functional insulation between all windings
Tambient ~75°C, convection
IEC85 insulation classB and UL94 V0 for insulation parts
Operation temperature: -40°C ~ 120°C
HPAC 1500V AC 50Hz 1Sec between all windings
Core: NT40/55-25P
Winding:
W1/W2: Rdc=3.4mΩ+/-20%
W3: Rdc=1.7mΩ+/-20%
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